Concord, California Area Codes

Map of Concord

Local time – 1 timezone

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Prefixes – 83 codes

Prefix
Type
Location
Carrier
Assigned
(925) 207
Wireless
Sprint Spectrum, L.P.
2001/10/18
Landline
Onvoy, LLC - CA
-
(925) 222-0
Wireless
Cellco Partnership DBA Verizon Wireless
2011/04/07
(925) 222-1
Wireless
Cellco Partnership DBA Verizon Wireless
2011/05/09
(925) 222-2
Landline
Onvoy, LLC - CA
2010/09/09
(925) 222-3
Landline
Xo California, Inc.
2011/01/14
(925) 222-4
Landline
Onvoy, LLC - CA
2011/05/10
(925) 222-5
Landline
Bandwidth.com CLEC, LLC - CA
2011/05/31
(925) 222-6
Landline
Paetec Communications, Inc. - CA
2011/05/13
(925) 222-7
Wireless
Sprint Spectrum, L.P.
2011/06/27
(925) 222-8
Wireless
New Cingular Wireless PCS, LLC
2011/02/10
(925) 222-9
Wireless
Sprint Spectrum, L.P.
2011/06/27
Landline
Pacific Bell
-
(925) 246-0
Landline
Pacific Bell
-
(925) 246-1
Landline
Pacific Bell
-
(925) 246-2
Landline
Level 3 Communications, LLC - AK
2008/10/15
(925) 246-3
Wireless
New Cingular Wireless PCS, LLC
2010/11/10
(925) 246-4
Landline
Pacific Bell
-
(925) 246-5
Landline
Level 3 Communications, LLC - AK
2005/11/18
(925) 246-6
Landline
Pacific Bell
-
(925) 246-7
Landline
Pacific Bell
-
(925) 246-8
Landline
Pacific Bell
-
(925) 246-9
Landline
Pacific Bell
-
(925) 250
Wireless
Sprint Spectrum, L.P.
-
Landline
Global Crossing Local Services, Inc. - KY
-
(925) 265-0
Landline
Global Crossing Local Services, Inc. - KY
-
(925) 265-1
Landline
Global Crossing Local Services, Inc. - KY
-
(925) 265-2
Landline
Global Crossing Local Services, Inc. - KY
-
(925) 265-3
Wireless
Sprint Spectrum, L.P.
2003/12/25
(925) 265-4
Landline
Global Crossing Local Services, Inc. - KY
-
(925) 265-5
Landline
Global Crossing Local Services, Inc. - KY
-
(925) 265-6
Landline
Xo California, Inc.
2008/08/25
(925) 265-7
Landline
Onvoy, LLC - CA
2009/11/19
(925) 265-8
Landline
Level 3 Communications, LLC - AK
2004/12/28
(925) 265-9
Landline
Global Crossing Local Services, Inc. - KY
-
Landline
Level 3 Communications, LLC - AK
-
(925) 270-0
Landline
Level 3 Communications, LLC - AK
2004/12/10
(925) 270-1
Landline
Level 3 Communications, LLC - AK
2007/11/21
(925) 270-2
Landline
Level 3 Communications, LLC - AK
-
(925) 270-3
Unknown
Astound Broadband, LLC - CA
2008/04/03
(925) 270-4
Landline
Level 3 Communications, LLC - AK
2003/08/04
(925) 270-5
Wireless
Cellco Partnership DBA Verizon Wireless
2005/10/12
(925) 270-6
Wireless
Cellco Partnership DBA Verizon Wireless
2007/04/11
(925) 270-7
Wireless
Cellco Partnership DBA Verizon Wireless
2005/07/07
(925) 270-8
Wireless
Cellco Partnership DBA Verizon Wireless
2005/10/12
(925) 270-9
Wireless
Cellco Partnership DBA Verizon Wireless
2005/07/07
(925) 288
Landline
Pacific Bell
-
Prefix
Type
Location
Carrier
Assigned
Landline
Level 3 Telecom of California, LP - CA
-
(925) 305-0
Wireless
Sprint Spectrum, L.P.
2006/01/05
(925) 305-1
Wireless
Sprint Spectrum, L.P.
2006/10/10
(925) 305-2
Landline
Level 3 Telecom of California, LP - CA
-
(925) 305-3
Wireless
Sprint Spectrum, L.P.
2006/10/10
(925) 305-4
Wireless
Sprint Spectrum, L.P.
2005/10/13
(925) 305-5
Wireless
Sprint Spectrum, L.P.
2004/10/28
(925) 305-6
Wireless
Sprint Spectrum, L.P.
2004/09/23
(925) 305-7
Wireless
Sprint Spectrum, L.P.
2003/12/11
(925) 305-8
Wireless
Sprint Spectrum, L.P.
2003/01/03
(925) 305-9
Wireless
Sprint Spectrum, L.P.
2003/10/24
Landline
Level 3 Communications, LLC - AK
-
(925) 326-0
Wireless
Cellco Partnership DBA Verizon Wireless
2014/03/05
(925) 326-1
Landline
Bandwidth.com CLEC, LLC - CA
2014/05/20
(925) 326-2
Landline
Peerless Network of California, LLC - CA
2013/09/17
(925) 326-3
Landline
Mcimetro Access Transmission Services LLC
2013/10/08
(925) 326-4
Landline
Level 3 Communications, LLC - AK
2013/08/26
(925) 326-5
Wireless
New Cingular Wireless PCS, LLC
2013/10/18
(925) 326-6
Landline
Onvoy, LLC - CA
2014/02/28
(925) 326-7
Landline
Bandwidth.com CLEC, LLC - CA
2014/05/20
(925) 326-8
Wireless
New Cingular Wireless PCS, LLC
2013/10/18
(925) 326-9
Landline
Onvoy, LLC - CA
2013/08/23
Landline
Peerless Network of California, LLC - CA
2012/10/04
(925) 332-0
Landline
Peerless Network of California, LLC - CA
2012/10/04
(925) 332-1
Landline
Peerless Network of California, LLC - CA
2012/10/04
(925) 332-2
Landline
Peerless Network of California, LLC - CA
2012/10/04
(925) 332-3
Landline
Peerless Network of California, LLC - CA
2012/10/04
(925) 332-4
Landline
Peerless Network of California, LLC - CA
2012/10/04
(925) 332-5
Landline
Comcast IP Phone, LLC
2013/10/21
(925) 332-6
Wireless
Cellco Partnership DBA Verizon Wireless
2013/05/13
(925) 332-7
Landline
Comcast IP Phone, LLC
2012/12/19
(925) 332-8
Wireless
New Cingular Wireless PCS, LLC
2013/04/05
(925) 332-9
Wireless
New Cingular Wireless PCS, LLC
2013/04/05
Wireless
Cellco Partnership DBA Verizon Wireless
2011/07/19
(925) 334-0
Wireless
Cellco Partnership DBA Verizon Wireless
2011/07/19
(925) 334-1
Wireless
Cellco Partnership DBA Verizon Wireless
2011/07/19
(925) 334-2
Wireless
New Cingular Wireless PCS, LLC
2011/10/26
(925) 334-3
Landline
Mcimetro Access Transmission Services LLC
2011/10/27
(925) 334-4
Wireless
Sprint Spectrum, L.P.
2012/04/20
(925) 334-5
Landline
Level 3 Communications, LLC - AK
2011/10/05
(925) 334-6
Wireless
Cellco Partnership DBA Verizon Wireless
2012/06/07
(925) 334-7
Landline
Peerless Network of California, LLC - CA
2011/10/03
(925) 334-8
Wireless
Sprint Spectrum, L.P.
2011/11/01
(925) 334-9
Wireless
Sprint Spectrum, L.P.
2011/11/01
Landline
Bandwidth.com CLEC, LLC - CA
2011/07/22
(925) 338-0
Landline
Bandwidth.com CLEC, LLC - CA
2011/07/22
(925) 338-1
Landline
Bandwidth.com CLEC, LLC - CA
2011/07/22
(925) 338-2
Landline
Comcast IP Phone, LLC
2011/08/04
(925) 338-3
Wireless
Sprint Spectrum, L.P.
2011/09/02
(925) 338-4
Wireless
Sprint Spectrum, L.P.
2011/09/02
(925) 338-5
Wireless
Sprint Spectrum, L.P.
2011/12/28
(925) 338-6
Wireless
Sprint Spectrum, L.P.
2011/12/28
(925) 338-7
Landline
Bandwidth.com CLEC, LLC - CA
2012/08/13
(925) 338-8
Landline
Level 3 Communications, LLC - AK
2012/06/28
(925) 338-9
Landline
Bandwidth.com CLEC, LLC - CA
2012/01/23
(925) 346
Wireless
American Messaging Services, LLC
-
Wireless
New Cingular Wireless PCS, LLC
2002/01/28
(925) 348-0
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-1
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-2
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-3
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-4
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-5
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-6
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-7
Wireless
New Cingular Wireless PCS, LLC
-
(925) 348-8
Wireless
New Cingular Wireless PCS, LLC
2011/02/10
(925) 348-9
Landline
Level 3 Communications, LLC - AK
2005/11/18
Landline
Teleport Communications America - ID - LLC
-
(925) 349-0
Landline
Teleport Communications America - ID - LLC
-
(925) 349-1
Landline
Teleport Communications America - ID - LLC
-
(925) 349-2
Landline
Teleport Communications America - ID - LLC
-
(925) 349-3
Landline
Teleport Communications America - ID - LLC
-
(925) 349-4
Landline
Comcast IP Phone, LLC
-
(925) 349-5
Landline
Comcast IP Phone, LLC
-
(925) 349-6
Landline
Comcast IP Phone, LLC
-
(925) 349-7
Landline
Teleport Communications America - ID - LLC
-
(925) 349-8
Wireless
New Cingular Wireless PCS, LLC
2010/08/09
(925) 349-9
Landline
Comcast IP Phone, LLC
-
Landline
Pacific Bell
-
(925) 356-0
Landline
Pacific Bell
-
(925) 356-1
Wireless
New Cingular Wireless PCS, LLC
2008/11/25
(925) 356-2
Landline
Pacific Bell
-
(925) 356-3
Landline
Pacific Bell
-
(925) 356-4
Landline
Pacific Bell
-
(925) 356-5
Landline
Pacific Bell
-
(925) 356-6
Landline
Pacific Bell
-
(925) 356-7
Landline
Pacific Bell
-
(925) 356-8
Landline
Pacific Bell
-
(925) 356-9
Landline
Pacific Bell
-
(925) 363
Landline
Pacific Bell
-
Wireless
Cellco Partnership DBA Verizon Wireless
2016/06/29
(925) 375-0
Wireless
Cellco Partnership DBA Verizon Wireless
2016/07/01
(925) 375-1
Landline
Comcast IP Phone, LLC
2017/03/06
(925) 375-2
Wireless
New Cingular Wireless PCS, LLC
2016/08/02
(925) 375-3
Landline
Local Access Services LLC - CA
2016/08/17
(925) 375-4
Wireless
Cellco Partnership DBA Verizon Wireless
2017/01/20
(925) 375-5
Wireless
Cellco Partnership DBA Verizon Wireless
2017/01/20
(925) 375-6
Wireless
Cellco Partnership DBA Verizon Wireless
2017/02/06
(925) 375-7
Wireless
Sprint Spectrum, L.P.
2016/08/08
(925) 375-8
Wireless
Sprint Spectrum, L.P.
2016/08/08
(925) 375-9
Wireless
Cellco Partnership DBA Verizon Wireless
2017/06/08
(925) 381
Wireless
New Cingular Wireless PCS, LLC
-
(925) 383
Wireless
Sprint Spectrum, L.P.
-
Landline
Level 3 Communications, LLC - AK
2013/11/25
(925) 391-0
Landline
Bandwidth.com CLEC, LLC - CA
2013/12/09
(925) 391-1
Landline
Bandwidth.com CLEC, LLC - CA
2013/12/09
(925) 391-2
Landline
Level 3 Communications, LLC - AK
2013/11/25
(925) 391-3
Landline
Bandwidth.com CLEC, LLC - CA
2013/12/09
(925) 391-4
Wireless
New Cingular Wireless PCS, LLC
2014/03/17
(925) 391-5
Wireless
Cellco Partnership DBA Verizon Wireless
2014/01/23
(925) 391-6
Wireless
New Cingular Wireless PCS, LLC
2015/10/30
(925) 391-7
Wireless
Cellco Partnership DBA Verizon Wireless
2014/04/04
(925) 391-8
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/13
(925) 391-9
Landline
Onvoy, LLC - CA
2013/12/10
Prefix
Type
Location
Carrier
Assigned
Landline
Allegiance Telecom, Inc. - CA
-
(925) 405-0
Landline
Allegiance Telecom, Inc. - CA
-
(925) 405-1
Landline
Allegiance Telecom, Inc. - CA
-
(925) 405-2
Wireless
New Cingular Wireless PCS, LLC
2008/11/25
(925) 405-3
Landline
Allegiance Telecom, Inc. - CA
-
(925) 405-4
Landline
Allegiance Telecom, Inc. - CA
-
(925) 405-5
Landline
Bandwidth.com CLEC, LLC - CA
2008/10/24
(925) 405-6
Landline
Bandwidth.com CLEC, LLC - CA
2008/10/24
(925) 405-7
Wireless
New Cingular Wireless PCS, LLC
2010/08/09
(925) 405-8
Landline
Allegiance Telecom, Inc. - CA
-
(925) 405-9
Landline
Allegiance Telecom, Inc. - CA
-
(925) 408
Wireless
New Cingular Wireless PCS, LLC
-
Wireless
Cellco Partnership DBA Verizon Wireless
2018/11/19
(925) 412-0
Wireless
Cellco Partnership DBA Verizon Wireless
2018/11/20
(925) 412-1
Landline
Bandwidth.com CLEC, LLC - CA
2019/02/25
(925) 412-2
Wireless
Cellco Partnership DBA Verizon Wireless
2018/11/20
(925) 412-3
Landline
Bandwidth.com CLEC, LLC - CA
2019/02/25
(925) 412-4
Landline
Bandwidth.com CLEC, LLC - CA
2019/02/25
(925) 412-5
Wireless
Cellco Partnership DBA Verizon Wireless
2019/03/05
(925) 412-6
Wireless
Cellco Partnership DBA Verizon Wireless
2019/03/05
(925) 412-7
Wireless
Cellco Partnership DBA Verizon Wireless
2019/03/05
(925) 412-8
Landline
Twilio International, Inc.
2020/08/11
(925) 412-9
Wireless
Cellco Partnership DBA Verizon Wireless
2018/11/20
Wireless
Cellco Partnership DBA Verizon Wireless
2019/07/31
(925) 414-0
Landline
Bandwidth.com CLEC, LLC - CA
2020/04/09
(925) 414-1
Landline
Bandwidth.com CLEC, LLC - CA
2020/06/17
(925) 414-2
Landline
Bandwidth.com CLEC, LLC - CA
2020/06/17
(925) 414-3
Landline
Onvoy, LLC - CA
2019/08/09
(925) 414-4
Landline
Onvoy, LLC - CA
2019/08/09
(925) 414-5
Landline
Bandwidth.com CLEC, LLC - CA
2020/06/17
(925) 414-6
Landline
Vonage America LLC
2019/11/22
(925) 414-7
Landline
Paetec Communications, Inc. - CA
2021/03/29
(925) 414-8
Landline
Onvoy, LLC - CA
2021/07/02
(925) 414-9
Landline
Onvoy, LLC - CA
2021/07/02
Landline
Bandwidth.com CLEC, LLC - CA
2012/01/27
(925) 421-0
Landline
Bandwidth.com CLEC, LLC - CA
2012/01/30
(925) 421-1
Landline
Bandwidth.com CLEC, LLC - CA
2012/01/30
(925) 421-2
Landline
Level 3 Communications, LLC - AK
2012/03/07
(925) 421-3
Wireless
Sprint Spectrum, L.P.
2012/05/23
(925) 421-4
Wireless
Sprint Spectrum, L.P.
2012/05/23
(925) 421-5
Wireless
Cellco Partnership DBA Verizon Wireless
2012/06/12
(925) 421-6
Landline
Bandwidth.com CLEC, LLC - CA
2012/08/13
(925) 421-7
Wireless
Sprint Spectrum, L.P.
2012/06/21
(925) 421-8
Wireless
Sprint Spectrum, L.P.
2012/06/21
(925) 421-9
Wireless
Cellco Partnership DBA Verizon Wireless
2012/08/17
Landline
Level 3 Communications, LLC - AK
-
(925) 429-0
Landline
Level 3 Communications, LLC - AK
-
(925) 429-1
Landline
Level 3 Communications, LLC - AK
-
(925) 429-2
Landline
Level 3 Communications, LLC - AK
-
(925) 429-3
Landline
Level 3 Communications, LLC - AK
-
(925) 429-4
Landline
Level 3 Communications, LLC - AK
-
(925) 429-5
Landline
Level 3 Communications, LLC - AK
-
(925) 429-6
Landline
Onvoy, LLC - CA
2021/07/02
(925) 429-7
Landline
Terra Nova Telecom Inc.
2020/12/08
(925) 429-8
Landline
Level 3 Communications, LLC - AK
2010/08/18
(925) 429-9
Landline
Onvoy, LLC - CA
2021/07/02
Wireless
T-mobile USA, Inc.
-
(925) 435-0
Wireless
T-mobile USA, Inc.
2005/03/08
(925) 435-1
Landline
Bandwidth.com CLEC, LLC - CA
2010/10/05
(925) 435-2
Wireless
T-mobile USA, Inc.
2006/02/21
(925) 435-3
Wireless
T-mobile USA, Inc.
2006/02/21
(925) 435-4
Wireless
T-mobile USA, Inc.
2004/08/11
(925) 435-5
Wireless
T-mobile USA, Inc.
2004/08/11
(925) 435-6
Wireless
T-mobile USA, Inc.
2004/08/11
(925) 435-7
Wireless
T-mobile USA, Inc.
2004/08/11
(925) 435-8
Wireless
T-mobile USA, Inc.
2004/08/11
(925) 435-9
Wireless
T-mobile USA, Inc.
2004/08/11
Wireless
Sprint Spectrum, L.P.
2012/06/25
(925) 446-0
Wireless
New Cingular Wireless PCS, LLC
2012/10/01
(925) 446-1
Wireless
New Cingular Wireless PCS, LLC
2012/10/01
(925) 446-2
Wireless
Sprint Spectrum, L.P.
2012/11/16
(925) 446-3
Landline
Mcimetro Access Transmission Services LLC
2012/09/17
(925) 446-4
Landline
AT&T Corp.
2013/07/17
(925) 446-5
Wireless
Sprint Spectrum, L.P.
2012/11/16
(925) 446-6
Unknown
Astound Broadband, LLC - CA
2012/09/10
(925) 446-7
Wireless
Sprint Spectrum, L.P.
2012/11/16
(925) 446-8
Unknown
Sonic Telecom, LLC - CA
2012/11/28
(925) 446-9
Wireless
Sprint Spectrum, L.P.
2012/06/25
Landline
Level 3 Communications, LLC - AK
-
(925) 459-0
Landline
Level 3 Communications, LLC - AK
-
(925) 459-1
Landline
Level 3 Communications, LLC - AK
-
(925) 459-2
Landline
Level 3 Communications, LLC - AK
-
(925) 459-3
Landline
Level 3 Communications, LLC - AK
-
(925) 459-4
Wireless
Cellco Partnership DBA Verizon Wireless
2012/12/07
(925) 459-5
Landline
Level 3 Communications, LLC - AK
-
(925) 459-6
Landline
Level 3 Communications, LLC - AK
-
(925) 459-7
Landline
Level 3 Communications, LLC - AK
-
(925) 459-8
Landline
Level 3 Communications, LLC - AK
-
(925) 459-9
Landline
Level 3 Communications, LLC - AK
-
Landline
Fractel, LLC
2020/09/17
(925) 466-0
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/14
(925) 466-1
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/14
(925) 466-2
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/14
(925) 466-3
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/14
(925) 466-4
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/14
(925) 466-5
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/02
(925) 466-6
Landline
Fractel, LLC
2020/09/18
(925) 466-7
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/02
(925) 466-8
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/02
(925) 466-9
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/02
Landline
Getgo Communications LLC - CA
2014/08/25
(925) 471-0
Unknown
Astound Broadband, LLC - CA
2014/09/18
(925) 471-1
Wireless
Cellco Partnership DBA Verizon Wireless
2015/05/11
(925) 471-2
Wireless
New Cingular Wireless PCS, LLC
2015/11/25
(925) 471-3
Landline
Getgo Communications LLC - CA
2014/08/25
(925) 471-4
Landline
Onvoy, LLC - CA
2015/12/30
(925) 471-5
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/13
(925) 471-6
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/13
(925) 471-7
Landline
Onvoy, LLC - CA
2014/10/02
(925) 471-8
Landline
Onvoy, LLC - CA
2014/10/03
(925) 471-9
Landline
Onvoy, LLC - CA
2014/10/03
Landline
Comcast IP Phone, LLC
2015/04/23
(925) 483-0
Wireless
Sprint Spectrum, L.P.
2015/04/29
(925) 483-1
Wireless
Sprint Spectrum, L.P.
2015/04/29
(925) 483-2
Landline
Comcast IP Phone, LLC
2015/04/23
(925) 483-3
Wireless
Sprint Spectrum, L.P.
2015/04/29
(925) 483-4
Wireless
Sprint Spectrum, L.P.
2015/04/29
(925) 483-5
Wireless
Sprint Spectrum, L.P.
2015/04/29
(925) 483-6
Wireless
Cellco Partnership DBA Verizon Wireless
2015/05/11
(925) 483-7
Landline
Onvoy, LLC - CA
2015/12/30
(925) 483-8
Landline
Onvoy, LLC - CA
2016/01/12
(925) 483-9
Landline
Level 3 Communications, LLC - AK
2015/07/24
Landline
Bandwidth.com CLEC, LLC - CA
2014/05/23
(925) 490-0
Landline
Bandwidth.com CLEC, LLC - CA
2014/05/23
(925) 490-1
Landline
Bandwidth.com CLEC, LLC - CA
2014/05/23
(925) 490-2
Landline
Bandwidth.com CLEC, LLC - CA
2014/05/23
(925) 490-3
Wireless
New Cingular Wireless PCS, LLC
2014/07/21
(925) 490-4
Wireless
New Cingular Wireless PCS, LLC
2014/07/21
(925) 490-5
Wireless
New Cingular Wireless PCS, LLC
2014/08/18
(925) 490-6
Wireless
New Cingular Wireless PCS, LLC
2014/08/18
(925) 490-7
Landline
Centurylink Communications, LLC LA
2014/07/09
(925) 490-8
Wireless
New Cingular Wireless PCS, LLC
2014/08/18
(925) 490-9
Wireless
Cellco Partnership DBA Verizon Wireless
2014/08/11
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/16
(925) 494-0
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/20
(925) 494-1
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/20
(925) 494-2
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/20
(925) 494-3
Landline
Bandwidth.com CLEC, LLC - CA
2015/04/20
(925) 494-4
Wireless
Cellco Partnership DBA Verizon Wireless
2015/10/16
(925) 494-5
Wireless
Cellco Partnership DBA Verizon Wireless
2016/05/25
(925) 494-6
Landline
Utility Telecom Group, LLC - CA
2017/02/09
(925) 494-7
Landline
Onvoy, LLC - CA
2016/01/12
(925) 494-8
Wireless
Cellco Partnership DBA Verizon Wireless
2016/05/25
(925) 494-9
Landline
Bandwidth.com CLEC, LLC - CA
2016/06/14
(925) 497
Wireless
T-mobile USA, Inc.
2001/08/22
Landline
Mcimetro Access Transmission Services LLC
2017/12/26
(925) 499-0
Wireless
Cellco Partnership DBA Verizon Wireless
2018/02/26
(925) 499-1
Wireless
Cellco Partnership DBA Verizon Wireless
2018/02/26
(925) 499-2
Wireless
Cellco Partnership DBA Verizon Wireless
2018/01/08
(925) 499-3
Wireless
Cellco Partnership DBA Verizon Wireless
2018/02/26
(925) 499-4
Landline
Mcimetro Access Transmission Services LLC
2017/12/27
(925) 499-5
Wireless
Cellco Partnership DBA Verizon Wireless
2018/01/08
(925) 499-6
Wireless
Cellco Partnership DBA Verizon Wireless
2018/01/08
(925) 499-7
Wireless
Sprint Spectrum, L.P.
2018/01/05
(925) 499-8
Wireless
Sprint Spectrum, L.P.
2018/01/05
(925) 499-9
Wireless
Sprint Spectrum, L.P.
2018/01/05
Prefix
Type
Location
Carrier
Assigned
Wireless
Sprint Spectrum, L.P.
2018/03/23
(925) 510-0
Wireless
Cellco Partnership DBA Verizon Wireless
2018/07/23
(925) 510-1
Wireless
Cellco Partnership DBA Verizon Wireless
2018/07/23
(925) 510-2
Landline
Comcast IP Phone, LLC
2018/05/30
(925) 510-3
Wireless
Cellco Partnership DBA Verizon Wireless
2018/07/23
(925) 510-4
Wireless
Cellco Partnership DBA Verizon Wireless
2018/07/23
(925) 510-5
Landline
Integrated Path Communications, LLC - CA
2018/07/03
(925) 510-6
Wireless
Sprint Spectrum, L.P.
2018/03/23
(925) 510-7
Wireless
Sprint Spectrum, L.P.
2018/03/23
(925) 510-8
Wireless
Sprint Spectrum, L.P.
2018/03/23
(925) 510-9
Wireless
Sprint Spectrum, L.P.
2018/03/23
Landline
Onvoy, LLC - CA
2020/11/11
(925) 515-0
Wireless
Cellco Partnership DBA Verizon Wireless
2021/02/12
(925) 515-1
Wireless
Cellco Partnership DBA Verizon Wireless
2021/02/12
(925) 515-2
Landline
Onvoy, LLC - CA
2020/11/11
(925) 515-3
Landline
Onvoy, LLC - CA
2020/11/11
(925) 515-4
Landline
Onvoy, LLC - CA
2020/11/11
(925) 515-5
Landline
Onvoy, LLC - CA
2020/11/11
(925) 515-6
Wireless
Cellco Partnership DBA Verizon Wireless
2021/02/12
(925) 515-7
Wireless
Onvoy Spectrum, LLC
2021/06/28
(925) 515-8
Wireless
Cellco Partnership DBA Verizon Wireless
2021/02/12
(925) 515-9
Wireless
Cellco Partnership DBA Verizon Wireless
2021/02/12
Landline
Pacific Bell
-
(925) 521-0
Landline
Pacific Bell
-
(925) 521-1
Landline
Pacific Bell
-
(925) 521-2
Landline
Pacific Bell
-
(925) 521-3
Landline
Pacific Bell
-
(925) 521-4
Wireless
T-mobile USA, Inc.
2006/02/21
(925) 521-5
Landline
Pacific Bell
-
(925) 521-6
Landline
Level 3 Communications, LLC - AK
2010/08/11
(925) 521-7
Landline
Pacific Bell
-
(925) 521-8
Landline
Level 3 Communications, LLC - AK
2008/08/04
(925) 521-9
Landline
Pacific Bell
-
Landline
Telnyx LLC
2017/03/17
(925) 536-0
Landline
Telnyx LLC
2017/03/20
(925) 536-1
Landline
Onvoy, LLC - CA
2017/05/23
(925) 536-2
Landline
Level 3 Communications, LLC - AK
2017/05/24
(925) 536-3
Landline
Level 3 Communications, LLC - AK
2017/04/03
(925) 536-4
Landline
Onvoy, LLC - CA
2017/12/22
(925) 536-5
Wireless
Sprint Spectrum, L.P.
2018/03/20
(925) 536-6
Wireless
Cellco Partnership DBA Verizon Wireless
2017/09/19
(925) 536-7
Wireless
Cellco Partnership DBA Verizon Wireless
2017/09/19
(925) 536-8
Wireless
Cellco Partnership DBA Verizon Wireless
2017/09/19
(925) 536-9
Wireless
Cellco Partnership DBA Verizon Wireless
2017/06/08
Landline
AT&T - Local
-
(925) 566-0
Landline
Xo California, Inc.
2004/08/25
(925) 566-1
Landline
O1 Communications, Inc. - CA
2002/09/17
(925) 566-2
Landline
O1 Communications, Inc. - CA
2002/09/17
(925) 566-3
Landline
Onvoy, LLC - CA
2007/04/10
(925) 566-4
Wireless
New Cingular Wireless PCS, LLC
2010/11/10
(925) 566-5
Landline
Xo California, Inc.
2005/08/26
(925) 566-6
Landline
Xo California, Inc.
2005/08/26
(925) 566-7
Landline
Xo California, Inc.
2005/08/26
(925) 566-8
Unknown
Astound Broadband, LLC - CA
2009/07/01
(925) 566-9
Landline
AT&T - Local
-
(925) 586
Wireless
Cellco Partnership DBA Verizon Wireless
-
Wireless
Sprint Spectrum, L.P.
2001/05/18
(925) 595-0
Wireless
Sprint Spectrum, L.P.
-
(925) 595-1
Wireless
Sprint Spectrum, L.P.
-
(925) 595-2
Wireless
Sprint Spectrum, L.P.
-
(925) 595-3
Wireless
Sprint Spectrum, L.P.
-
(925) 595-4
Wireless
Sprint Spectrum, L.P.
-
(925) 595-5
Wireless
Sprint Spectrum, L.P.
-
(925) 595-6
Wireless
Sprint Spectrum, L.P.
-
(925) 595-7
Wireless
Sprint Spectrum, L.P.
-
(925) 595-8
Wireless
Sprint Spectrum, L.P.
-
(925) 595-9
Wireless
Sprint Spectrum, L.P.
-
Prefix
Type
Location
Carrier
Assigned
(925) 602
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(925) 603-0
Landline
Pacific Bell
-
(925) 603-1
Landline
Pacific Bell
-
(925) 603-2
Landline
Pacific Bell
-
(925) 603-3
Landline
Bandwidth.com CLEC, LLC - CA
2010/02/03
(925) 603-4
Landline
Peerless Network of California, LLC - CA
2019/04/29
(925) 603-5
Landline
Pacific Bell
-
(925) 603-6
Landline
Pacific Bell
-
(925) 603-7
Landline
Pacific Bell
-
(925) 603-8
Landline
Pacific Bell
-
(925) 603-9
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(925) 609-0
Landline
Pacific Bell
-
(925) 609-1
Landline
Pacific Bell
-
(925) 609-2
Landline
Pacific Bell
-
(925) 609-3
Landline
Pacific Bell
-
(925) 609-4
Landline
Bandwidth.com CLEC, LLC - CA
2010/02/03
(925) 609-5
Landline
Pacific Bell
-
(925) 609-6
Landline
Pacific Bell
-
(925) 609-7
Landline
Pacific Bell
-
(925) 609-8
Landline
Pacific Bell
-
(925) 609-9
Landline
Pacific Bell
-
Landline
Fractel, LLC
2021/08/05
(925) 633-3
Landline
Fractel, LLC
2021/08/05
Landline
Fractel, LLC
2021/07/13
(925) 644-0
Landline
Bandwidth.com CLEC, LLC - CA
2021/07/28
(925) 644-1
Landline
Bandwidth.com CLEC, LLC - CA
2021/07/28
(925) 644-2
Landline
Bandwidth.com CLEC, LLC - CA
2021/07/28
(925) 644-3
Landline
Bandwidth.com CLEC, LLC - CA
2021/07/28
(925) 644-4
Landline
Fractel, LLC
2021/07/13
(925) 644-5
Landline
Onvoy, LLC - CA
2021/07/21
(925) 644-6
Landline
Onvoy, LLC - CA
2021/07/21
(925) 644-7
Landline
Bandwidth.com CLEC, LLC - CA
2021/07/28
(925) 646
Landline
Pacific Bell
-
Landline
Fractel, LLC
2019/03/20
(925) 655-0
Landline
Teleport Communications America - ID - LLC
2019/04/30
(925) 655-1
Landline
Teleport Communications America - ID - LLC
2019/04/30
(925) 655-2
Landline
Teleport Communications America - ID - LLC
2019/04/30
(925) 655-3
Landline
Teleport Communications America - ID - LLC
2019/04/30
(925) 655-4
Landline
Teleport Communications America - ID - LLC
2019/04/30
(925) 655-5
Landline
Fractel, LLC
2019/03/20
(925) 655-6
Landline
Mcimetro Access Transmission Services LLC
2019/05/15
(925) 655-7
Wireless
Cellco Partnership DBA Verizon Wireless
2019/05/30
(925) 655-8
Wireless
Cellco Partnership DBA Verizon Wireless
2019/05/30
(925) 655-9
Landline
Bandwidth.com CLEC, LLC - CA
2020/10/02
(925) 671
Landline
Pacific Bell
-
(925) 674
Landline
Pacific Bell
-
(925) 675
Landline
Pacific Bell
-
(925) 676
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(925) 677-0
Landline
Pacific Bell
-
(925) 677-1
Landline
Utility Telecom Group, LLC - CA
2006/05/10
(925) 677-2
Landline
Pacific Bell
-
(925) 677-3
Landline
Pacific Bell
-
(925) 677-4
Landline
Pacific Bell
-
(925) 677-5
Landline
Pacific Bell
-
(925) 677-6
Landline
Pacific Bell
-
(925) 677-7
Landline
Pacific Bell
-
(925) 677-8
Landline
Utility Telecom Group, LLC - CA
-
(925) 677-9
Landline
Utility Telecom Group, LLC - CA
-
(925) 680
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(925) 681-0
Landline
Pacific Bell
-
(925) 681-1
Landline
Pacific Bell
-
(925) 681-2
Landline
Pacific Bell
-
(925) 681-3
Landline
Pacific Bell
-
(925) 681-4
Landline
Pacific Bell
-
(925) 681-5
Landline
Pacific Bell
-
(925) 681-6
Landline
Pacific Bell
-
(925) 681-7
Landline
Pacific Bell
-
(925) 681-8
Wireless
New Cingular Wireless PCS, LLC
2009/08/18
(925) 681-9
Wireless
New Cingular Wireless PCS, LLC
2009/08/18
(925) 682
Landline
Pacific Bell
-
(925) 685
Landline
Pacific Bell
-
(925) 686
Landline
Pacific Bell
-
(925) 687
Landline
Pacific Bell
-
Landline
Pacific Bell
-
(925) 688-0
Landline
Pacific Bell
-
(925) 688-1
Landline
Pacific Bell
-
(925) 688-2
Landline
Pacific Bell
-
(925) 688-3
Landline
Pacific Bell
-
(925) 688-4
Landline
Pacific Bell
-
(925) 688-5
Landline
Pacific Bell
-
(925) 688-6
Landline
Utility Telecom Group, LLC - CA
-
(925) 688-7
Landline
Pacific Bell
-
(925) 688-8
Landline
Pacific Bell
-
(925) 688-9
Landline
Pacific Bell
-
(925) 689
Landline
Pacific Bell
-
(925) 691
Landline
Pacific Bell
-
(925) 692
Landline
Pacific Bell
-
Landline
Mpower Communications Corp. - CA
-
(925) 695-0
Landline
Mpower Communications Corp. - CA
-
(925) 695-1
Landline
Bandwidth.com CLEC, LLC - CA
2010/06/07
(925) 695-2
Landline
Paetec Communications, Inc. - CA
2009/04/06
(925) 695-3
Landline
Mpower Communications Corp. - CA
-
(925) 695-4
Wireless
Sprint Spectrum, L.P.
2006/01/15
(925) 695-5
Wireless
Sprint Spectrum, L.P.
2004/12/20
(925) 695-6
Wireless
Sprint Spectrum, L.P.
2005/02/02
(925) 695-7
Landline
Bandwidth.com CLEC, LLC - CA
2010/03/02
(925) 695-8
Landline
Mpower Communications Corp. - CA
-
(925) 695-9
Landline
Bandwidth.com CLEC, LLC - CA
2010/06/07
Prefix
Type
Location
Carrier
Assigned
Landline
Mpower Communications Corp. - CA
-
(925) 726-0
Landline
Mpower Communications Corp. - CA
-
(925) 726-1
Wireless
Sprint Spectrum, L.P.
2004/03/07
(925) 726-2
Landline
Mpower Communications Corp. - CA
-
(925) 726-3
Landline
Bandwidth.com CLEC, LLC - CA
2010/11/11
(925) 726-4
Landline
Bandwidth.com CLEC, LLC - CA
2011/06/30
(925) 726-5
Wireless
Sprint Spectrum, L.P.
2004/06/07
(925) 726-6
Wireless
Sprint Spectrum, L.P.
2004/04/28
(925) 726-7
Wireless
Sprint Spectrum, L.P.
2004/01/13
(925) 726-8
Wireless
Sprint Spectrum, L.P.
2004/03/12
(925) 726-9
Wireless
Sprint Spectrum, L.P.
2003/04/25
(925) 768
Wireless
Cellco Partnership DBA Verizon Wireless
2001/06/25
Landline
Us Telepacific Corp. - CA
2001/03/01
(925) 771-0
Wireless
Cellco Partnership DBA Verizon Wireless
2013/06/21
(925) 771-1
Landline
Us Telepacific Corp. - CA
-
(925) 771-2
Landline
Us Telepacific Corp. - CA
-
(925) 771-3
Landline
Us Telepacific Corp. - CA
-
(925) 771-4
Wireless
New Cingular Wireless PCS, LLC
2011/07/06
(925) 771-5
Landline
Us Telepacific Corp. - CA
-
(925) 771-6
Landline
Us Telepacific Corp. - CA
-
(925) 771-7
Landline
Us Telepacific Corp. - CA
-
(925) 771-8
Landline
Us Telepacific Corp. - CA
-
(925) 771-9
Wireless
New Cingular Wireless PCS, LLC
2011/07/06
(925) 787
Wireless
Cellco Partnership DBA Verizon Wireless
-
(925) 798
Landline
Pacific Bell
-
Prefix
Type
Location
Carrier
Assigned
Landline
Pacific Bell
-
(925) 808-0
Landline
Pacific Centrex Services, Inc. - CA
2006/11/02
(925) 808-1
Wireless
Cellco Partnership DBA Verizon Wireless
2009/05/04
(925) 808-2
Landline
Pacific Bell
-
(925) 808-3
Landline
Onvoy, LLC - CA
2006/12/28
(925) 808-4
Landline
Pacific Bell
-
(925) 808-5
Wireless
Cellco Partnership DBA Verizon Wireless
2010/03/05
(925) 808-6
Landline
Pacific Bell
-
(925) 808-7
Landline
Mcimetro Access Transmission Services LLC
2008/05/15
(925) 808-8
Wireless
Cellco Partnership DBA Verizon Wireless
2006/09/15
(925) 808-9
Wireless
Cellco Partnership DBA Verizon Wireless
2007/07/05
Landline
Mcimetro Access Transmission Services LLC
-
(925) 822-0
Landline
Mcimetro Access Transmission Services LLC
-
(925) 822-1
Landline
Mcimetro Access Transmission Services LLC
-
(925) 822-2
Wireless
Cellco Partnership DBA Verizon Wireless
2007/09/17
(925) 822-3
Landline
AT&T Corp.
2006/06/09
(925) 822-4
Wireless
New Cingular Wireless PCS, LLC
2010/03/23
(925) 822-5
Wireless
Cellco Partnership DBA Verizon Wireless
2008/07/10
(925) 822-6
Wireless
New Cingular Wireless PCS, LLC
2010/03/23
(925) 822-7
Wireless
Cellco Partnership DBA Verizon Wireless
2008/07/10
(925) 822-8
Wireless
Cellco Partnership DBA Verizon Wireless
2007/09/17
(925) 822-9
Landline
Mcimetro Access Transmission Services LLC
-
(925) 825
Landline
Pacific Bell
-
Landline
Mcimetro Access Transmission Services LLC
-
(925) 826-0
Landline
Mcimetro Access Transmission Services LLC
-
(925) 826-1
Landline
Mcimetro Access Transmission Services LLC
-
(925) 826-2
Wireless
Sprint Spectrum, L.P.
2007/09/06
(925) 826-3
Landline
Level 3 Communications, LLC - AK
2005/02/17
(925) 826-4
Wireless
T-mobile USA, Inc.
2008/08/12
(925) 826-5
Landline
Comcast IP Phone, LLC
2009/03/09
(925) 826-6
Wireless
Sprint Spectrum, L.P.
2007/09/06
(925) 826-7
Wireless
New Cingular Wireless PCS, LLC
2008/06/25
(925) 826-8
Wireless
T-mobile USA, Inc.
2009/03/10
(925) 826-9
Wireless
T-mobile USA, Inc.
2009/03/10
(925) 827
Landline
Pacific Bell
-
Landline
Us Telepacific Corp. - CA
-
(925) 849-0
Landline
Bandwidth.com CLEC, LLC - CA
2011/06/30
(925) 849-1
Landline
Us Telepacific Corp. - CA
-
(925) 849-2
Wireless
New Cingular Wireless PCS, LLC
2011/06/28
(925) 849-3
Landline
Us Telepacific Corp. - CA
-
(925) 849-4
Landline
Comcast IP Phone, LLC
2006/12/14
(925) 849-5
Landline
Comcast IP Phone, LLC
2006/12/14
(925) 849-6
Landline
Comcast IP Phone, LLC
2006/12/14
(925) 849-7
Wireless
New Cingular Wireless PCS, LLC
2009/11/23
(925) 849-8
Landline
Us Telepacific Corp. - CA
-
(925) 849-9
Landline
Us Telepacific Corp. - CA
-
Landline
Xo California, Inc.
2001/04/24
(925) 852-0
Landline
Xo California, Inc.
-
(925) 852-1
Wireless
Cellco Partnership DBA Verizon Wireless
2006/06/09
(925) 852-2
Landline
Xo California, Inc.
2004/08/31
(925) 852-3
Wireless
Sprint Spectrum, L.P.
2007/01/22
(925) 852-4
Wireless
Sprint Spectrum, L.P.
2007/01/22
(925) 852-5
Wireless
Sprint Spectrum, L.P.
2006/08/30
(925) 852-6
Landline
Level 3 Communications, LLC - AK
2009/07/29
(925) 852-7
Wireless
Sprint Spectrum, L.P.
2006/08/15
(925) 852-8
Wireless
Sprint Spectrum, L.P.
2006/06/26
(925) 852-9
Wireless
Sprint Spectrum, L.P.
2006/05/31
(925) 864
Wireless
Sprint Spectrum, L.P.
-
Landline
Matrix Telecom, LLC. S/i/i Tnci - CA
-
(925) 887-0
Landline
Level 3 Communications, LLC - AK
-
(925) 887-1
Landline
Us Telepacific Corp. - CA
-
(925) 887-2
Landline
Us Telepacific Corp. - CA
-
(925) 887-3
Landline
Us Telepacific Corp. - CA
-
(925) 887-4
Landline
Us Telepacific Corp. - CA
-
(925) 887-5
Landline
Us Telepacific Corp. - CA
-
(925) 887-6
Landline
Onvoy, LLC - CA
-
(925) 887-7
Landline
Us Telepacific Corp. - CA
-
(925) 887-8
Landline
Onvoy, LLC - CA
-
(925) 887-9
Landline
Level 3 Communications, LLC - AK
2004/12/29
(925) 890
Wireless
New Cingular Wireless PCS, LLC
-
Prefix
Type
Location
Carrier
Assigned
(925) 969
Landline
Pacific Bell
-